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From: "Alex Bennée" <alex.bennee@linaro.org>
To: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Cc: "Akihiko Odaki" <akihiko.odaki@daynix.com>,
	"Huang Rui" <ray.huang@amd.com>,
	"Marc-André Lureau" <marcandre.lureau@gmail.com>,
	"Philippe Mathieu-Daudé" <philmd@linaro.org>,
	"Gerd Hoffmann" <kraxel@redhat.com>,
	"Michael S . Tsirkin" <mst@redhat.com>,
	"Stefano Stabellini" <sstabellini@kernel.org>,
	"Anthony PERARD" <anthony.perard@citrix.com>,
	"Antonio Caggiano" <quic_acaggian@quicinc.com>,
	"Dr . David Alan Gilbert" <dgilbert@redhat.com>,
	"Robert Beckett" <bob.beckett@collabora.com>,
	"Gert Wollny" <gert.wollny@collabora.com>,
	qemu-devel@nongnu.org,
	"Gurchetan Singh" <gurchetansingh@chromium.org>,
	ernunes@redhat.com, "Alyssa Ross" <hi@alyssa.is>,
	"Roger Pau Monné" <roger.pau@citrix.com>,
	"Alex Deucher" <alexander.deucher@amd.com>,
	"Stefano Stabellini" <stefano.stabellini@amd.com>,
	"Christian König" <christian.koenig@amd.com>,
	"Xenia Ragiadakou" <xenia.ragiadakou@amd.com>,
	"Pierre-Eric Pelloux-Prayer" <pierre-eric.pelloux-prayer@amd.com>,
	"Honglei Huang" <honglei1.huang@amd.com>,
	"Julia Zhang" <julia.zhang@amd.com>,
	"Chen Jiqian" <Jiqian.Chen@amd.com>,
	"Yiwei Zhang" <zzyiwei@chromium.org>
Subject: Re: [PATCH v8 01/11] linux-headers: Update to Linux v6.9-rc3
Date: Fri, 10 May 2024 11:46:04 +0100	[thread overview]
Message-ID: <87wmo2j66r.fsf@draig.linaro.org> (raw)
In-Reply-To: <20240418190040.1110210-2-dmitry.osipenko@collabora.com> (Dmitry Osipenko's message of "Thu, 18 Apr 2024 22:00:30 +0300")

Dmitry Osipenko <dmitry.osipenko@collabora.com> writes:

> Update kernel headers to get new VirtIO-GPU capsets, in particular the
> Venus capset.
>
> Signed-off-by: Huang Rui <ray.huang@amd.com>
> Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
> ---
>  hw/i386/x86.c                                 |   8 -
>  include/standard-headers/asm-x86/bootparam.h  |  17 +-
>  include/standard-headers/asm-x86/kvm_para.h   |   3 +-
>  include/standard-headers/asm-x86/setup_data.h |  83 +++
>  include/standard-headers/linux/ethtool.h      |  48 ++
>  include/standard-headers/linux/fuse.h         |  39 +-
>  .../linux/input-event-codes.h                 |   1 +
>  include/standard-headers/linux/virtio_gpu.h   |   2 +
>  include/standard-headers/linux/virtio_pci.h   |  10 +-
>  include/standard-headers/linux/virtio_snd.h   | 154 ++++
>  linux-headers/asm-arm64/kvm.h                 |  15 +-
>  linux-headers/asm-arm64/sve_context.h         |  11 +
>  linux-headers/asm-generic/bitsperlong.h       |   4 +
>  linux-headers/asm-loongarch/kvm.h             |   2 -
>  linux-headers/asm-mips/kvm.h                  |   2 -
>  linux-headers/asm-powerpc/kvm.h               |  45 +-
>  linux-headers/asm-riscv/kvm.h                 |   3 +-
>  linux-headers/asm-s390/kvm.h                  | 315 +++++++-
>  linux-headers/asm-x86/kvm.h                   | 308 +++++++-
>  linux-headers/linux/bits.h                    |  15 +
>  linux-headers/linux/kvm.h                     | 689 +-----------------
>  linux-headers/linux/psp-sev.h                 |  59 ++
>  linux-headers/linux/vhost.h                   |   7 +
>  scripts/update-linux-headers.sh               |   5 +-
>  24 files changed, 1106 insertions(+), 739 deletions(-)
>  create mode 100644 include/standard-headers/asm-x86/setup_data.h
>  create mode 100644 linux-headers/linux/bits.h
>
> diff --git a/hw/i386/x86.c b/hw/i386/x86.c
> index ffbda48917fd..84a48019770b 100644
> --- a/hw/i386/x86.c
> +++ b/hw/i386/x86.c
> @@ -679,14 +679,6 @@ DeviceState *ioapic_init_secondary(GSIState *gsi_state)
>      return dev;
>  }
>  
> -struct setup_data {
> -    uint64_t next;
> -    uint32_t type;
> -    uint32_t len;
> -    uint8_t data[];
> -} __attribute__((packed));
> -
> -

This isn't part of the header import. I'd rather see

  - import the current header set
  - update to the script
  - clean-ups and additions

why are we migrating to using the kernels non-uapi assembler headers?

<snip>
> --- a/scripts/update-linux-headers.sh
> +++ b/scripts/update-linux-headers.sh
> @@ -62,6 +62,7 @@ cp_portable() {
>                                       -e 'linux/kernel' \
>                                       -e 'linux/sysinfo' \
>                                       -e 'asm-generic/kvm_para' \
> +                                     -e 'asm-x86/setup_data.h' \

some justification for this/

>                                       > /dev/null
>      then
>          echo "Unexpected #include in input file $f".
> @@ -149,9 +150,11 @@ for arch in $ARCHLIST; do
>          cp "$tmpdir/include/asm/unistd_x32.h" "$output/linux-headers/asm-x86/"
>          cp "$tmpdir/include/asm/unistd_64.h" "$output/linux-headers/asm-x86/"
>          cp_portable "$tmpdir/include/asm/kvm_para.h" "$output/include/standard-headers/asm-$arch"
> +        cp_portable "$tmpdir/include/asm/setup_data.h" "$output/include/standard-headers/asm-$arch"

is there a portable setup_data.h? why is it asm-x86 above?

>          # Remove everything except the macros from bootparam.h avoiding the
>          # unnecessary import of several video/ist/etc headers
>          sed -e '/__ASSEMBLY__/,/__ASSEMBLY__/d' \
> +            -e 's/<asm\/\([^>]*\)>/"standard-headers\/asm-x86\/\1"/' \
>                 "$tmpdir/include/asm/bootparam.h" > "$tmpdir/bootparam.h"
>          cp_portable "$tmpdir/bootparam.h" \
>                      "$output/include/standard-headers/asm-$arch"
> @@ -165,7 +168,7 @@ rm -rf "$output/linux-headers/linux"
>  mkdir -p "$output/linux-headers/linux"
>  for header in const.h stddef.h kvm.h vfio.h vfio_ccw.h vfio_zdev.h vhost.h \
>                psci.h psp-sev.h userfaultfd.h memfd.h mman.h nvme_ioctl.h \
> -              vduse.h iommufd.h; do
> +              vduse.h iommufd.h bits.h; do

What do we need bits for here? 

>      cp "$tmpdir/include/linux/$header" "$output/linux-headers/linux"
>  done

-- 
Alex Bennée
Virtualisation Tech Lead @ Linaro


  reply	other threads:[~2024-05-10 10:47 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-18 19:00 [PATCH v8 00/11] Support blob memory and venus on qemu Dmitry Osipenko
2024-04-18 19:00 ` [PATCH v8 01/11] linux-headers: Update to Linux v6.9-rc3 Dmitry Osipenko
2024-05-10 10:46   ` Alex Bennée [this message]
2024-05-10 16:23     ` Dmitry Osipenko
2024-04-18 19:00 ` [PATCH v8 02/11] virtio-gpu: Use pkgconfig version to decide which virgl features are available Dmitry Osipenko
2024-04-18 19:00 ` [PATCH v8 03/11] virtio-gpu: Support context-init feature with virglrenderer Dmitry Osipenko
2024-04-18 19:00 ` [PATCH v8 04/11] virtio-gpu: Don't require udmabuf when blobs and virgl are enabled Dmitry Osipenko
2024-04-18 19:00 ` [PATCH v8 05/11] virtio-gpu: Add virgl resource management Dmitry Osipenko
2024-04-18 19:00 ` [PATCH v8 06/11] virtio-gpu: Support blob scanout using dmabuf fd Dmitry Osipenko
2024-04-18 19:00 ` [PATCH v8 07/11] virtio-gpu: Support suspension of commands processing Dmitry Osipenko
2024-04-19  8:53   ` Akihiko Odaki
2024-04-24  9:43     ` Dmitry Osipenko
2024-04-27  5:48       ` Akihiko Odaki
2024-05-01 19:02         ` Dmitry Osipenko
2024-05-05  6:37           ` Akihiko Odaki
2024-05-09 12:39             ` Dmitry Osipenko
2024-05-10 10:56               ` Akihiko Odaki
2024-05-10 16:12                 ` Dmitry Osipenko
2024-05-10 16:33                   ` Dmitry Osipenko
2024-04-18 19:00 ` [PATCH v8 08/11] virtio-gpu: Handle resource blob commands Dmitry Osipenko
2024-04-19  9:18   ` Akihiko Odaki
2024-04-24 10:30     ` Dmitry Osipenko
2024-04-27  5:52       ` Akihiko Odaki
2024-05-01 19:20         ` Dmitry Osipenko
2024-05-05  6:47           ` Akihiko Odaki
2024-05-09 12:29             ` Dmitry Osipenko
2024-04-18 19:00 ` [PATCH v8 09/11] virtio-gpu: Resource UUID Dmitry Osipenko
2024-04-19  9:29   ` Akihiko Odaki
2024-04-23 17:43     ` Dmitry Osipenko
2024-04-24 12:52   ` Dmitry Osipenko
2024-04-18 19:00 ` [PATCH v8 10/11] virtio-gpu: Register capsets dynamically Dmitry Osipenko
2024-04-19  9:35   ` Akihiko Odaki
2024-04-18 19:00 ` [PATCH v8 11/11] virtio-gpu: Support Venus context Dmitry Osipenko
2024-04-19  9:44   ` Akihiko Odaki
2024-04-23  8:30 ` [PATCH v8 00/11] Support blob memory and venus on qemu Alex Bennée
2024-04-23 17:37   ` Dmitry Osipenko

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